000 02726nab a22003977a 4500
999 _c61263
_d61255
001 61263
003 MX-TxCIM
005 20250805171403.0
008 200130s2019 xxk|||p|op||| 00| 0 eng d
022 _a2632-7309
024 8 _ahttps://doi.org/10.20900/cbgg20190017
040 _aMX-TxCIM
041 _aeng
100 1 _aKumar, U.
_gFormerly Borlaug Institute for South Asia (BISA)
_8INT3331
_9921
245 1 0 _aGenetic gain on resistance to spot blotch of wheat by developing lines with near immunity
260 _aUnited Kingdom :
_bHapres :
_bState Key Laboratory of Hybrid Rice,
_c2019.
500 _aPeer review
500 _aOpen Access
520 _aSpot blotch (causative pathogen the fungus Bipolaris sorokiniana) is a damaging disease of wheat in warm and humid environments, which are prevalent in the Indian subcontinent. Genetic analyses have indicated that resistance is mediated by a number of independent genes, each contributing a small to intermediate size effect, meaning that combinations of three to five genes are required to ensure a high level of resistance. Near-immunity to spot blotch is not known. Hence, in order to seek further genetic gain on resistance, populations were developed from four simple crosses between the resistance donors “Yangmai#6” and either “Mon/Ald”, “Chirya#3”, “Tia#1” or “Ning#8201” with the aim of stacking resistance genes for resistance in order to generating lines showing near-immunity to the disease. The strategy was evaluated by genotyping the selections at 14 microsatellite loci linked to spot blotch resistance genes. The resistance locus most frequently retained by the selections maps to chromosome 6D; the second most frequently retained one maps to chromosome 2B. The use of a donor × donor crossing strategy was effective for developing lines with near-immunity to spot blotch disease.
546 _aText in English
650 7 _2AGROVOC
_92193
_aCochliobolus sativus
650 7 _2AGROVOC
_92261
_aMicrosatellites
650 7 _2AGROVOC
_910005
_aImmunity
650 7 _aPlant diseases
_gAGROVOC
_2
_91206
650 7 _aWheat
_gAGROVOC
_2
_91310
700 0 _92204
_aSuneel Kumar
700 1 _9653
_aPrasad, R.
700 1 _92205
_aRoder, M.S.
700 1 _92207
_aKumar, S.
700 0 _aRamesh Chand
_91735
700 0 _91734
_aVinod Kumar Mishra
700 1 _aJoshi, A.K.
_gGlobal Wheat Program
_gFormerly Borlaug Institute for South Asia
_8INT2917
_9873
773 0 _dUnited Kingdom : Hapres : State Key Laboratory of Hybrid Rice, 2019.
_gv. 1, no. 2, art. e190017
_tCrop Breeding, Genetics and Genomics
_x2632-7309
856 4 _yOpen Access through DSpace
_uhttps://hdl.handle.net/10883/20656
942 _2ddc
_cJA
_n0